1、I don't know for sure.
我不確定。
例I think so, but I don't know for sure.
我想是吧，不過我不敢肯定。
情景對話
Stranger: Could you tell me how to get to the airport?
路人：您能告訴我怎么去機(jī)場嗎？
Alice: I don't know for sure. Maybe you could ask the policeman over there.
愛麗絲：我不太確定，也許你可以問問那邊的警察。
2、You can count on it.
你盡管相信好了，盡管放心。
例You can count on it that he is very smart.
你就相信吧，他非常聰明的。
情景對話
Mary: Do you think he will come to my birthday party?
瑪麗：你覺得他會來參加我的生日聚會嗎？
Joe: You can count on it.
喬伊：你放心吧。
3、I'm not going to kid you.
我不是跟你開玩笑的。
例 I'm not going to kid you, this journey is going to be hard.
我不是在跟你開玩笑，這段旅程會很艱辛。
情景對話
Alice: You divorced? You are kidding.
愛麗絲：你離婚了？你在開玩笑吧！
Jack: I'm not going to kid you. I’m serious.
杰克：我不是在跟你開玩笑，我是說真的。
4、I'm broke.
我身無分文。
例 I'm broke. Can you lend me some money?
我破產(chǎn)了，你能借我一些錢嗎？
情景對話
Richard：Have you ever thought about buying a car?
理查德：你想過買車嗎？
Kevin: Yeah, I've thought about that, but I can't afford a new car. I'm broke.
凱文：想過，但是現(xiàn)在買不起呀，我破產(chǎn)了。
5、Do you really mean it?
此話當(dāng)真？
例 Sam: Please, do you really mean it?
山姆：拜托，你是說真的嗎？
情景對話
Mary: Whenever you are short of money, just come to me.
瑪麗：你要是缺錢了，盡管找我借。
David: Do you really mean it?
大衛(wèi)：此話當(dāng)真？